[Elastic Agent] "Beta" & "Experimental" tags to be removed before GA

[nimarezainia]

Fleet-Server and Elastic-Agent integrations need to have their tiles updated so the keywords Experimental and beta are removed before their GA in 7.14. The versions also need to be updated to 1.0

• Remove "Experimental" from Elastic-Agent integration
• Update the version to 1.0 for Elastic-Agent integration
• Remove "Beta" from Fleet-Server integration
• Update the version to 1.0 for Fleet-Server integration

[elasticmachine]

Pinging @elastic/agent (Team:Agent)

[nimarezainia]

I see that these are simple changes in the manifest file:

[ruflin]

++ on this change. @nimarezainia want to open 2 PR's for it directly?

I started some of this change in #1298 but we should not block on this PR, I will just rebase.